Content Provider
Borealis
46
DataCite Metadata Store (German National Library of Science and Technology)
20
Informa (via Crossref)
9
Organic Eprints (Danish Research Centre for Organic Farming, DARCOF)
5
Directory of Open Access Journals: DOAJ Articles
4
SAGE Publications (via Crossref)
3
University of California: eScholarship
3
University of Wollongong, Australia: Research Online
2
VIURRSpace (Royal Roads University and Vancouver Island University)
2
Vrije Universiteit Amsterdam (VU): Research Portal
2
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
1
Archives ouvertes de Paris-Saclay
1
Emerald (via Crossref)
1
Institut national des sciences de l'Univers: HAL-INSU
1
Loughborough University Library Open Journals
1
Lund University Publications (LUP)
1
Northern Illinois University (NIU): Huskie Commons Repository
1
Opin vísindi (Iceland)
1
Repositorio Universidad de Belgrano
1
SAGE Publications
1
Skemman (Iceland)
1
Springer Nature (via Crossref)
1
Texas State University: Digital Collections Repository
1
The Portal to Texas History (University of North Texas)
1
The University of Arizona: UA Campus Repository
1
Theses Canada/Thèses Canada (Library and Archives Canada)
1
Universidad Nacional de Villa María, Biblioteca Central Vicerrector Ricardo Podestá: Catálogo en línea
1
University of Calgary Journal Hosting
1
University of Central Florida (UCF): STARS (Showcase of Text, Archives, Research & Scholarship)
1
University of Copenhagen: Research
1
University of Liège: ORBi (Open Repository and Bibliography)
1
University of Michigan: Deep Blue
1
University of North Texas: UNT Digital Library
1
University of Portland: Pilot Scholars
1
University of Rhode Island: DigitalCommons@URI
1
University of Tromsø: Munin Open Research Archive
1
Université Grenoble Alpes: HAL
1
Université Savoie Mont Blanc: HAL
1
Université de Nantes: HAL-UNIV-NANTES
1
Unknown
1
Uppsala University: Publications (DiVA)
1
Vancouver Island University: Viuspace
1
Walden University Publishing
1
eCite UTAS (University of Tasmania)
1
Érudit.org (Université Montréal)
1